Alert archive / Kentucky / Tornado Warnings in 2012

Tornado Warning 31, NWS Wilmington, OH

September 8, 2012Clermont County, Ohio; Bracken County, Pendleton County, Kentucky

NWS Wilmington, OH issued this tornado warning at Sep 8, 2012, 1:04 AM EDT for Clermont County, Ohio; Bracken County, Pendleton County, Kentucky. It was in force for 16 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 8, 2012, 1:04 AM EDT (05:04 UTC)
Expired
Sep 8, 2012, 1:20 AM EDT
In force
16 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Bracken County, KY, Pendleton County, KY, Clermont County, OH

The radar

The Cincinnati radar (KILN), 82 km from the middle of the area, began a volume at 05:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Sep 8, 1:04 AM EDTTSTM WND DMG3 Ne Falmouth, KYTREES DOWNED ON ROUTE 159 NEAR KINCAID LAKE STATE PARK.
Sep 8, 1:16 AM EDTTSTM WND DMG6 Nw Brooksville, KYONE LARGE TREE LIMB DOWNED ON SALEM RIDGE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 7, 9:10 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.1 hours before the alert went out and 84 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2012-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 531 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2012-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
531 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1512 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

704 
WFUS51 KILN 080504
TORILN
KYC023-191-OHC025-080530-
/O.NEW.KILN.TO.W.0031.120908T0504Z-120908T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
104 AM EDT SAT SEP 8 2012

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BRACKEN COUNTY IN NORTHERN KENTUCKY...
  NORTHERN PENDLETON COUNTY IN NORTHERN KENTUCKY...
  SOUTHERN CLERMONT COUNTY IN SOUTHWEST OHIO...

* UNTIL 130 AM EDT.

* AT 102 AM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
  BUTLER...MOVING EAST AT 30 MPH.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
  PENDLETON...NORTHWESTERN BRACKEN AND SOUTHERN CLERMONT COUNTIES...
  INCLUDING PEACH GROVE...MOUNT AUBURN...LENOXBURG...FOSTER...
  NEVILLE...WILLOW GROVE...BERLIN...JOHNSVILLE...BRADFORD...CHILO...
  WOOLCUTT AND UTOPIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM EDT
SATURDAY MORNING FOR SOUTHEASTERN INDIANA AND NORTHEASTERN KENTUCKY
AND SOUTHWESTERN OHIO.

&&

LAT...LON 3869 8445 3881 8440 3884 8432 3886 8421
      3883 8405 3869 8405
TIME...MOT...LOC 0504Z 269DEG 26KT 3878 8433

$$
2 follow-up statements
486 
WWUS51 KILN 080509
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
109 AM EDT SAT SEP 8 2012

KYC023-191-OHC025-080530-
/O.CON.KILN.TO.W.0031.000000T0000Z-120908T0530Z/
PENDLETON KY-BRACKEN KY-CLERMONT OH-
109 AM EDT SAT SEP 8 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR SOUTHERN
CLERMONT...NORTHWESTERN BRACKEN AND NORTHERN PENDLETON COUNTIES...

AT 107 AM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
MOUNT AUBURN...MOVING EAST AT 30 MPH. IN ADDITION TO THE TORNADO...
THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS.

THIS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN PENDLETON...
NORTHWESTERN BRACKEN AND SOUTHERN CLERMONT COUNTIES...INCLUDING
LENOXBURG...FOSTER...NEVILLE...WILLOW GROVE...BERLIN...JOHNSVILLE...
BRADFORD...CHILO...WOOLCUTT...ROCK SPRINGS AND UTOPIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. PROTECT YOURSELF
FROM FLYING DEBRIS.

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

&&

LAT...LON 3869 8445 3881 8440 3884 8432 3886 8421
      3883 8405 3869 8405
TIME...MOT...LOC 0509Z 269DEG 26KT 3878 8425

$$
459 
WWUS51 KILN 080520
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
120 AM EDT SAT SEP 8 2012

KYC023-191-OHC025-080529-
/O.CAN.KILN.TO.W.0031.000000T0000Z-120908T0530Z/
PENDLETON KY-BRACKEN KY-CLERMONT OH-
120 AM EDT SAT SEP 8 2012

...THE TORNADO WARNING FOR SOUTHERN CLERMONT...NORTHWESTERN BRACKEN
AND NORTHERN PENDLETON COUNTIES HAS BEEN CANCELLED...

THE THUNDERSTORM WHOSE CIRCULATION  HAD WARRANTED A TORNADO WARNING 
HAS HAS WEAKENED. THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT UNTIL 145 AM 
EDT. GUSTY WINDS TO 60 MPH WILL STILL BE LIKELY

PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM EDT.

LAT...LON 3869 8445 3881 8440 3884 8432 3886 8421
      3883 8405 3869 8405
TIME...MOT...LOC 0519Z 269DEG 26KT 3878 8416

$$

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 7, 9:15 PM EDTSpecial Weather StatementILNDarke60 min
Sep 7, 9:22 PM EDTSpecial Weather StatementILNMiami38 min
Sep 7, 10:20 PM EDTSpecial Weather StatementILNDarke40 min
Sep 7, 10:50 PM EDTSevere Thunderstorm WarningILNDarke25 min
Sep 7, 10:59 PM EDTSpecial Weather StatementILNAuglaize, Shelby46 min
Sep 7, 11:03 PM EDTSpecial Weather StatementILNButler, Darke, Hamilton, Preble57 min
Sep 7, 11:51 PM EDTAreal Flood AdvisoryILNButler, Hamilton, Warren114 min
Sep 7, 11:52 PM EDTSpecial Weather StatementILNChampaign, Clark, Clermont, Clinton, Greene, Hamilton and 3 more68 min
Sep 8, 12:11 AM EDTSevere Thunderstorm WarningILNGreene, Montgomery34 min
Sep 8, 12:22 AM EDTSevere Thunderstorm WarningILNClermont38 min
Sep 8, 12:43 AM EDTSevere Thunderstorm WarningILNBrown, Clermont, Clinton, Highland, Warren32 min
Sep 8, 12:57 AM EDTSevere Thunderstorm WarningILNBrown, Clermont, Hamilton, Highland48 min
Sep 8, 12:58 AM EDTSevere Thunderstorm WarningILNChampaign, Clark, Greene, Madison, Union32 min
Sep 8, 1:15 AM EDTSevere Thunderstorm WarningILNAdams, Clinton, Fayette, Highland, Pike, Ross45 min
Sep 8, 1:19 AM EDTSevere Thunderstorm WarningILNMadison, Union26 min
Sep 8, 1:30 AM EDTSevere Thunderstorm WarningILNAdams, Brown, Highland45 min
Sep 8, 1:50 AM EDTSpecial Weather StatementILNDelaware, Fairfield, Franklin, Licking, Pickaway, Pike and 1 more55 min
Sep 8, 2:05 AM EDTSevere Thunderstorm WarningILNAdams, Pike, Scioto40 min
Sep 8, 2:06 AM EDTSevere Thunderstorm WarningILNFairfield, Franklin, Licking24 min
Sep 8, 2:23 AM EDTTornado WarningILNDelaware, Licking37 min
Sep 8, 2:44 AM EDTSpecial Weather StatementILNFairfield, Hocking, Pike, Scioto46 min
Sep 8, 2:54 AM EDTSpecial Weather StatementILNLicking36 min
Sep 7, 11:27 PM EDTSpecial Weather StatementILNBoone, Carroll, Gallatin63 min
Sep 7, 11:45 PM EDTSevere Thunderstorm WarningILNCarroll, Gallatin, Owen45 min
Sep 8, 12:30 AM EDTTornado WarningILNBoone, Gallatin, Grant, Pendleton20 min

Nearby

Tornado Warnings in Kentucky, 2012Tornado Warnings in Ohio, 2012Every tornado warning in 2012Tornadoes in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.